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gl_shader_decompiler: Keep track of written images and mark them as modified

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This commit is contained in:
ReinUsesLisp
2019-09-05 23:26:05 -03:00
parent 7228e22098
commit 1f43e5296f
7 changed files with 93 additions and 63 deletions
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40
src/video_core/shader/decode/image.cpp
View File

@ -61,56 +61,54 @@ u32 ShaderIR::DecodeImage(NodeBlock& bb, u32 pc) {
}
const auto type{instr.sust.image_type};
const auto& image{instr.sust.is_immediate ? GetImage(instr.image, type)
: GetBindlessImage(instr.gpr39, type)};
auto& image{instr.sust.is_immediate ? GetImage(instr.image, type)
: GetBindlessImage(instr.gpr39, type)};
image.MarkWrite();
MetaImage meta{image, values};
const Node store{Operation(OperationCode::ImageStore, meta, std::move(coords))};
bb.push_back(store);
break;
}
default:
UNIMPLEMENTED_MSG("Unhandled conversion instruction: {}", opcode->get().GetName());
UNIMPLEMENTED_MSG("Unhandled image instruction: {}", opcode->get().GetName());
}
return pc;
}
const Image& ShaderIR::GetImage(Tegra::Shader::Image image, Tegra::Shader::ImageType type) {
const auto offset{static_cast<std::size_t>(image.index.Value())};
Image& ShaderIR::GetImage(Tegra::Shader::Image image, Tegra::Shader::ImageType type) {
const auto offset{static_cast<u64>(image.index.Value())};
// If this image has already been used, return the existing mapping.
const auto itr{std::find_if(used_images.begin(), used_images.end(),
[=](const Image& entry) { return entry.GetOffset() == offset; })};
if (itr != used_images.end()) {
ASSERT(itr->GetType() == type);
return *itr;
const auto it = used_images.find(offset);
if (it != used_images.end()) {
ASSERT(it->second.GetType() == type);
return it->second;
}
// Otherwise create a new mapping for this image.
const std::size_t next_index{used_images.size()};
const Image entry{offset, next_index, type};
return *used_images.emplace(entry).first;
return used_images.emplace(offset, Image{offset, next_index, type}).first->second;
}
const Image& ShaderIR::GetBindlessImage(Tegra::Shader::Register reg,
Tegra::Shader::ImageType type) {
Image& ShaderIR::GetBindlessImage(Tegra::Shader::Register reg, Tegra::Shader::ImageType type) {
const Node image_register{GetRegister(reg)};
const auto [base_image, cbuf_index, cbuf_offset]{
TrackCbuf(image_register, global_code, static_cast<s64>(global_code.size()))};
const auto cbuf_key{(static_cast<u64>(cbuf_index) << 32) | static_cast<u64>(cbuf_offset)};
// If this image has already been used, return the existing mapping.
const auto itr{std::find_if(used_images.begin(), used_images.end(),
[=](const Image& entry) { return entry.GetOffset() == cbuf_key; })};
if (itr != used_images.end()) {
ASSERT(itr->GetType() == type);
return *itr;
const auto it = used_images.find(cbuf_key);
if (it != used_images.end()) {
ASSERT(it->second.GetType() == type);
return it->second;
}
// Otherwise create a new mapping for this image.
const std::size_t next_index{used_images.size()};
const Image entry{cbuf_index, cbuf_offset, next_index, type};
return *used_images.emplace(entry).first;
return used_images.emplace(cbuf_key, Image{cbuf_index, cbuf_offset, next_index, type})
.first->second;
}
} // namespace VideoCommon::Shader

50
src/video_core/shader/node.h
View File

@ -273,50 +273,64 @@ private:
bool is_bindless{}; ///< Whether this sampler belongs to a bindless texture or not.
};
class Image {
class Image final {
public:
explicit Image(std::size_t offset, std::size_t index, Tegra::Shader::ImageType type)
constexpr explicit Image(u64 offset, std::size_t index, Tegra::Shader::ImageType type)
: offset{offset}, index{index}, type{type}, is_bindless{false} {}
explicit Image(u32 cbuf_index, u32 cbuf_offset, std::size_t index,
Tegra::Shader::ImageType type)
constexpr explicit Image(u32 cbuf_index, u32 cbuf_offset, std::size_t index,
Tegra::Shader::ImageType type)
: offset{(static_cast<u64>(cbuf_index) << 32) | cbuf_offset}, index{index}, type{type},
is_bindless{true} {}
explicit Image(std::size_t offset, std::size_t index, Tegra::Shader::ImageType type,
bool is_bindless)
: offset{offset}, index{index}, type{type}, is_bindless{is_bindless} {}
constexpr explicit Image(std::size_t offset, std::size_t index, Tegra::Shader::ImageType type,
bool is_bindless, bool is_written, bool is_read)
: offset{offset}, index{index}, type{type}, is_bindless{is_bindless},
is_written{is_written}, is_read{is_read} {}
std::size_t GetOffset() const {
void MarkRead() {
is_read = true;
}
void MarkWrite() {
is_written = true;
}
constexpr std::size_t GetOffset() const {
return offset;
}
std::size_t GetIndex() const {
constexpr std::size_t GetIndex() const {
return index;
}
Tegra::Shader::ImageType GetType() const {
constexpr Tegra::Shader::ImageType GetType() const {
return type;
}
bool IsBindless() const {
constexpr bool IsBindless() const {
return is_bindless;
}
std::pair<u32, u32> GetBindlessCBuf() const {
constexpr bool IsRead() const {
return is_read;
}
constexpr bool IsWritten() const {
return is_written;
}
constexpr std::pair<u32, u32> GetBindlessCBuf() const {
return {static_cast<u32>(offset >> 32), static_cast<u32>(offset)};
}
bool operator<(const Image& rhs) const {
return std::tie(offset, index, type, is_bindless) <
std::tie(rhs.offset, rhs.index, rhs.type, rhs.is_bindless);
}
private:
std::size_t offset{};
u64 offset{};
std::size_t index{};
Tegra::Shader::ImageType type{};
bool is_bindless{};
bool is_read{};
bool is_written{};
};
struct GlobalMemoryBase {

8
src/video_core/shader/shader_ir.h
View File

@ -95,7 +95,7 @@ public:
return used_samplers;
}
const std::set<Image>& GetImages() const {
const std::map<u64, Image>& GetImages() const {
return used_images;
}
@ -272,10 +272,10 @@ private:
bool is_shadow);
/// Accesses an image.
const Image& GetImage(Tegra::Shader::Image image, Tegra::Shader::ImageType type);
Image& GetImage(Tegra::Shader::Image image, Tegra::Shader::ImageType type);
/// Access a bindless image sampler.
const Image& GetBindlessImage(Tegra::Shader::Register reg, Tegra::Shader::ImageType type);
Image& GetBindlessImage(Tegra::Shader::Register reg, Tegra::Shader::ImageType type);
/// Extracts a sequence of bits from a node
Node BitfieldExtract(Node value, u32 offset, u32 bits);
@ -356,7 +356,7 @@ private:
std::set<Tegra::Shader::Attribute::Index> used_output_attributes;
std::map<u32, ConstBuffer> used_cbufs;
std::set<Sampler> used_samplers;
std::set<Image> used_images;
std::map<u64, Image> used_images;
std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances> used_clip_distances{};
std::map<GlobalMemoryBase, GlobalMemoryUsage> used_global_memory;
bool uses_layer{};